Quick answer: A smooth, brush-mark-free enamel finish comes from three things: clean surface, the right viscosity, and the right tool. Rhinoluxe High Gloss Enamel levels well when applied at the TDS-specified thickness with a quality natural-bristle brush, a foam roller, or an HVLP spray gun.
This is the order of work that pros use to get a factory finish on gates, doors, furniture and metalwork.
1. Prep the substrate
The enamel finish is only as smooth as the surface underneath it. Sand all rough patches, fill any dings, degrease, and remove dust completely. On bare or rusted metal, treat with Rust Remover and prime with ZP4 Anti Rust Primer. On wood, sand back any flaking finish and apply an appropriate primer.
2. Use the right tool for the job
- Natural-bristle brush — best for solvent-based enamels on intricate detail (decorative gates, mouldings). Use long, smooth strokes in one direction; don't overwork.
- Foam roller (4-inch) — best for flat surfaces (doors, gate panels). Roll in one direction with light pressure; finish with a brush tip-off if needed.
- HVLP spray gun — best for large jobs or anywhere a factory finish matters. Thin to manufacturer spec, multiple light passes, maintain wet edge.
3. Apply at the right viscosity
Too thick and you'll get brush marks; too thin and you'll get runs. Check the TDS for the recommended dilution (water for water-based, mineral turpentine for solvent-based) and stick to it. If you must dilute, do it in small increments and test on a hidden patch first.
4. Two thin coats beat one thick coat
Apply Coat 1, let it cure to the recoat window per TDS (typically 4–24 hours depending on temperature). Lightly sand with 320–400 grit between coats to give the second coat something to bond to. Apply Coat 2 perpendicular to Coat 1 for full coverage.
5. Control the environment
Don't paint in direct sun (causes premature skinning). Don't paint in high humidity (causes blushing on solvent-based). Don't paint into rain. Mid-morning in a shaded area is the SA sweet spot.
Common mistakes
- Going back over a half-dried section — drags the paint film, leaves marks. Maintain wet edge or stop and let it cure fully.
- Cheap brushes — synthetic bristles shed and leave streaks in solvent-based enamel. Spend on a quality natural-bristle brush.
- Skipping primer on metal — enamel won't bond properly without a rust-inhibiting primer underneath.
Where to buy
Buy Rhinoluxe enamel paints online at rhinoluxe.co.za with national delivery, or collect at our Table View, Cape Town or Edenvale, Johannesburg paint shops. Call +27 84 985 6141 for technical advice.
